/Engine/Plugins/Runtime/StateTree/Source/StateTreeModule/Public/StateTreeLinker.h
Links reference to an externalUObject.
template<typename T> [TEnableIf](API\Runtime\Core\Templates\TEnableIf)< [TIsDerivedFrom](API\Runtime\Core\Templates\TIsDerivedFrom)< typename [T::DataType](API\Plugins\OptimusCore\DataType), [UObject](API\Runtime\CoreUObject\UObject\UObject) >::IsDerived, void >::Type LinkExternalData ( T & Handle )